JPH0111827Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a panel connection device used for sewage treatment tank lids, swimming pool lids, vehicle tilts, etc.

Conventional Examples and Problems There are known lids for sewage treatment tanks that are made up of a plurality of panels connected in sequence. As a connecting device for two adjacent panels, a concave engagement portion is formed on the side edge of one panel, a convex engagement portion is formed on the side edge of the other panel, and both engagement portions have a concave engagement portion formed on the side edge of the other panel. There is a known device in which a keyway is formed across the two engaging parts, and a rod-shaped insert body is inserted into the keyway to fit both the engaging parts and lock the engaging parts together (Utility Model No. 57-
(See Publication No. 60983). However, in such a connecting device, there is a problem in that the airtightness between the two engaging parts is low, and bad odor in the sewage treatment tank leaks to the outside from the connecting part of the panel. In addition, there are lid panels that allow the pool to be used as a sports field during the off-season,
When the tilt panels of a vehicle are connected as described above, there are problems in that rain can enter the pool or the vehicle loading platform, corroding the pedestal supporting the pool lid, and causing the cargo on the loading platform to get wet.

The object of this invention is to provide a panel connecting device that can improve the airtightness and watertightness of the connecting portion and solve the above problems.

Means for Solving the Problems In the panel connecting device according to this invention, of two panels to be connected to each other, a fitting recess is formed in the side edge of one panel, and a fitting recess is fitted in the side edge of the other panel. A mating convex portion is formed along the entire length of the side edge of the panel, and the mating convex portion is formed on the outer surface of one side wall of the mating convex portion and the inner surface of the side wall of the mating concave portion on the same side. Connecting pin fitting grooves that face each other when the mating protrusion and the mating recess are fitted are formed over the entire length of the mating convex part and the mating concave part, and A gasket fitting groove is formed on the inner surface of the side wall of the fitting concave portion on the same side as the fitting concave portion, and a gasket fitting groove is formed over the entire length of the fitting convex portion or fitting concave portion, and a portion of the gasket fitting groove is formed over the entire length of the fitting convex portion or fitting concave portion. The fitting convex part and the fitting recess are fitted together with the packing fitted so as to protrude from the fitting groove, and at least both ends of the entire through hole formed by both connecting pin fitting grooves are fitted. A connecting pin that tightly fits into the through hole is inserted into the through hole.

Embodiment Hereinafter, an embodiment in which this invention is applied to a lid of a sewage treatment tank will be described with reference to the drawings.
In the following description, left refers to the left side of FIG. 2, and right refers to the right side of FIG. 2, respectively.

The lid 1 is made up of a number of rectangular extruded aluminum panels 2 that are elongated in the front-rear direction when viewed from a plane and are successively connected in the left-right direction.

Of the two panels 2 adjacent to each other, a fitting recess 3 is provided at the right edge of the left panel (indicated by 2a in FIG. 2), and a fitting recess 3 is provided at the right edge of the left panel (indicated by 2b in FIG. 2). A fitting protrusion 4 that fits into the fitting recess 3 is formed on the left side edge of the panel (shown) over the entire length in the length direction of the side edge of the panels 2a and 2b, respectively.

At the tips of the upper and lower side walls 3a, 3b of the fitting recess 3, insertion protrusions 3c are formed, respectively, in the shape of a rightward protrusion. On both upper and lower sides of the fitting convex portion 4, leftward-protruding fitting portion forming protrusions 6 for forming an insertion protrusion fitting portion 5 between the fitting protrusion 4 and the fitting protrusion 4 are provided.
They are formed at predetermined intervals with respect to the fitting convex portion 4, respectively.

The outer surface of the lower side wall 4b of the fitting protrusion 4 and the inner surface of the lower side wall 3b of the fitting recess 3 have connections that face each other when the fitting protrusion 4 and the fitting recess 3 are fitted. Pin-fitting grooves 7 and 8 are formed over the entire lengths of the fitting protrusion 4 and the fitting recess 3, respectively.
A gasket fitting groove 9 is formed on the outer surface of the upper side wall 4a of the fitting projection 4 over the entire length of the fitting projection 4.

Panel 2a and panel 2b are connected to each other in the following manner. An elongated gasket 10 is fitted over the entire length of the gasket fitting groove 9 of the fitting convex portion 4 with a portion of the gasket 10 protruding from the groove 9. As the material of the packing 10, soft vinyl chloride, neoprene rubber, etc. are used.
Thereafter, the fitting recess 3 and the fitting protrusion 4 are fitted together, and the insertion protrusion 3c is fitted into the fitting part 5. Connecting pins 12 that fit tightly into the through hole 11 are inserted into both ends of the through hole 11 formed by the connecting pin fitting grooves 7 and 8 from both ends of the through hole 11, respectively. Thereby, both panels 2a and 2b are connected. In the state where both panels 2a and 2b are connected,
The fitting concave portion 3 and the fitting convex portion 4 are connected by the packing 10.
Since the space between the sewage treatment tank and the sewage treatment tank is sealed, there is no chance of bad odors inside the sewage treatment tank leaking out from the connection.

In the above embodiment, of the two adjacent panels, the fitting recess is formed on the right edge of the left panel, and the fitting protrusion is formed on the left edge of the right panel. A fitting convex portion may be formed on the right side edge of the side panel, and a fitting concave portion may be formed on the left side edge of the right panel. In any of the above cases, a fitting recess is formed on one side edge of each panel and a fitting protrusion is formed on the other side edge, but one of the two adjacent panels Fitting recesses may be formed on both side edges of the panel, and fitting convex portions may be formed on both side edges of the other panel. In this case, two different types of panels are required.

Furthermore, in the above embodiment, the groove for fitting the seal is formed on the outer surface of the side wall on the upper side of the fitting convex portion, but the groove for fitting the seal is formed on the inner surface of the side wall on the upper side of the fitting recess. It's okay. In addition, a groove for fitting the connecting pin is formed on the outer surface of the upper side wall of the fitting convex part and an inner side wall of the upper side of the fitting recess, and a groove for fitting the seal is formed on the side wall of the lower side of the fitting protrusion. It may be formed on the outer surface or the inner surface of the side wall below the fitting recess. Also, although the connecting pins are inserted into both sides of the through hole formed by the grooves for fitting the connecting pins, one or two connecting pins are inserted over the entire length of the through hole. It's okay. Furthermore, as shown by the chain line A in FIG. 2, a reinforcing wall may be formed inside the panel.

In addition to connecting panels on the lid of a sewage treatment tank, this invention also connects panels on the lid of a pool to use the pool as a sports field in the off-season.
It can be widely applied to connection of tilt panels of vehicles, etc.

Effects of the invention In the panel connecting device according to this invention, since the seal seals between the fitting convex part and the fitting recess, the airtightness and watertightness of the connecting part of two connected panels can be improved. can do. Therefore, when this invention is applied to the lid of a sewage treatment tank, it is possible to prevent the bad odor inside the tank from leaking outside from the connection part of the panel. Furthermore, when this invention is applied to a pool lid, it is possible to prevent rain from entering the pool and corroding the frame. Furthermore, when this invention is applied to the tilt of a vehicle, it is possible to prevent rain from penetrating the loading platform and making the load wet.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention, and FIG. 1 is a perspective view showing a part of the lid of a sewage treatment tank, and FIG. 2 is a sectional view taken along the line - in FIG. 1. 2a, 2b...panel, 3...fitting recess, 4...
...Fitting convex portion, 7, 8...Connecting pin fitting groove, 9
...Groove for fitting the packing, 10...Putting, 1
1...Through hole, 12...Connecting pin.

Claims (1)

[Scope of utility model registration request] Two panels 2a, 2b to be connected to each other
A fitting recess 3 is provided at the side edge of one of the panels 2a.
However, a fitting protrusion 4 is formed on the side edge of the other panel 2b over the entire length of the side edge of the panels 2a and 2b, and the fitting protrusion 4 is formed on the outer surface of one side wall of the panel 2a, 2b. Connecting pin fitting grooves 7 and 8, which face each other when the fitting convex part 4 and the fitting concave part 3 are fitted, are formed on the inner surface of the side wall of the fitting concave part 3 on the same side as the fitting convex part 4.
A gasket fitting groove 9 is formed over the entire length of the fitting recess 3 and is formed on the outer surface of the other side wall of the fitting protrusion 4 or on the inner surface of the side wall of the fitting recess 3 on the same side.
is formed over the entire length of the fitting convex portion 4 or the fitting recess 3, and the packing 10 is fitted over the entire length of the packing fitting groove 9 so that a part thereof protrudes from the packing fitting groove 9. In this state, the fitting protrusion 4 and the fitting recess 3 are fitted together, and at least both ends of the entire through hole 11 formed by the connecting pin fitting grooves 7 and 8 are tightly fitted into the through hole 11. A panel connecting device into which a connecting pin 12 that fits is inserted.